Fixing problems I encountered with the headers, RE const and some missing LAPACK functions

patch that gets headers working for me

From 8eb680b6f8f7bb6179625dbfe600e69c9c8b8dbb Mon Sep 17 00:00:00 2001
From: Daniel Povey <dpovey@a13.clsp.jhu.edu>
Date: Sat, 19 Jan 2013 16:26:47 -0500
Subject: [PATCH 1/3] Adding missing declarations to common_interface.h

---
 common_interface.h |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/common_interface.h b/common_interface.h
index 14c2cf7..121d851 100644
--- a/common_interface.h
+++ b/common_interface.h
@@ -658,6 +658,20 @@ int BLASFUNC(cgetrf)(blasint *, blasint *, float  *, blasint *, blasint *, blasi
 int BLASFUNC(zgetrf)(blasint *, blasint *, double *, blasint *, blasint *, blasint *);
 int BLASFUNC(xgetrf)(blasint *, blasint *, xdouble *, blasint *, blasint *, blasint *);
 
+int BLASFUNC(ssptrf)(char *, blasint *, float  *, blasint *, blasint *);
+int BLASFUNC(dsptrf)(char *, blasint *, double *, blasint *, blasint *);
+int BLASFUNC(qsptrf)(char *, blasint *, xdouble *, blasint *, blasint *);
+int BLASFUNC(csptrf)(char *, blasint *, float  *, blasint *, blasint *);
+int BLASFUNC(zsptrf)(char *, blasint *, double *, blasint *, blasint *);
+int BLASFUNC(xsptrf)(char *, blasint *, xdouble *, blasint *, blasint *);
+
+int BLASFUNC(ssptrf)(char *, blasint *, float  *, blasint *, float  *, blasint *);
+int BLASFUNC(dsptrf)(char *, blasint *, double *, blasint *, double *, blasint *);
+int BLASFUNC(qsptrf)(char *, blasint *, xdouble *, blasint *, xdouble *, blasint *);
+int BLASFUNC(csptrf)(char *, blasint *, float  *, blasint *, float  *, blasint *);
+int BLASFUNC(zsptrf)(char *, blasint *, double *, blasint *, double *, blasint *);
+int BLASFUNC(xsptrf)(char *, blasint *, xdouble *, blasint *, xdouble *, blasint *);
+  
 int BLASFUNC(slaswp)(blasint *, float  *, blasint *, blasint *, blasint *, blasint *, blasint *);
 int BLASFUNC(dlaswp)(blasint *, double *, blasint *, blasint *, blasint *, blasint *, blasint *);
 int BLASFUNC(qlaswp)(blasint *, xdouble *, blasint *, blasint *, blasint *, blasint *, blasint *);
@@ -742,6 +756,8 @@ int BLASFUNC(cpotri)(char *, blasint *, float  *, blasint *, blasint *);
 int BLASFUNC(zpotri)(char *, blasint *, double *, blasint *, blasint *);
 int BLASFUNC(xpotri)(char *, blasint *, xdouble *, blasint *, blasint *);
 
+
+
 int BLASFUNC(slarf)(char *, blasint *, blasint *, float *, blasint *, float *, float *, blasint *, float *);
 int BLASFUNC(dlarf)(char *, blasint *, blasint *, double *, blasint *, double *, double *, blasint *, double *);
 int BLASFUNC(qlarf)(char *, blasint *, blasint *, xdouble *, blasint *, xdouble *, xdouble *, blasint *, xdouble *);
-- 
1.7.2.5


From f219147f0337f45016647cf3406adebe7d264447 Mon Sep 17 00:00:00 2001
From: Daniel Povey <dpovey@gmail.com>
Date: Sat, 19 Jan 2013 17:24:20 -0500
Subject: [PATCH 2/3] A few bug fixes; everything seems to work now.

---
 0 files changed, 0 insertions(+), 0 deletions(-)
 create mode 100755 add_const.pl

diff --git a/add_const.pl b/add_const.pl
new file mode 100755
index 0000000..e69de29
-- 
1.7.2.5


From 76b9a091956b53ad594fff09dd53d31d43dae8d3 Mon Sep 17 00:00:00 2001
From: Daniel Povey <dpovey@gmail.com>
Date: Sat, 19 Jan 2013 17:25:01 -0500
Subject: [PATCH 3/3] A few bug fixes; everything seems to work now.

---
 Makefile.install |    4 ++--
 add_const.pl     |   29 +++++++++++++++++++++++++++++
 cblas.h          |    6 ++++++
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/Makefile.install b/Makefile.install
index 87730a1..d30cb10 100644
--- a/Makefile.install
+++ b/Makefile.install
@@ -29,12 +29,12 @@ install :   lib.grd
 	@echo \#ifndef OPENBLAS_F77BLAS_H > $(OPENBLAS_INCLUDE_DIR)/f77blas.h
 	@echo \#define OPENBLAS_F77BLAS_H >> $(OPENBLAS_INCLUDE_DIR)/f77blas.h
 	@echo \#include \"openblas_config.h\" >> $(OPENBLAS_INCLUDE_DIR)/f77blas.h
-	@cat common_interface.h >> $(OPENBLAS_INCLUDE_DIR)/f77blas.h
+	@./add_const.pl common_interface.h >> $(OPENBLAS_INCLUDE_DIR)/f77blas.h
 	@echo \#endif >> $(OPENBLAS_INCLUDE_DIR)/f77blas.h
 
 ifndef NO_CBLAS
 	@echo Generating cblas.h in $(OPENBLAS_INCLUDE_DIR)
-	@sed 's/common/openblas_config/g' cblas.h > $(OPENBLAS_INCLUDE_DIR)/cblas.h
+	@sed 's/common/openblas_config/g' cblas.h | ./add_const.pl > $(OPENBLAS_INCLUDE_DIR)/cblas.h
 endif
 
 ifndef NO_LAPACKE
diff --git a/add_const.pl b/add_const.pl
index e69de29..6687199 100755
--- a/add_const.pl
+++ b/add_const.pl
@@ -0,0 +1,29 @@
+#!/usr/bin/perl
+
+# This script is used to convert the headers cblas.h and common_interface.h in
+# this directory, by adding const.  This makes them easier to use in external code
+# which uses "const".  We just add const to everything.  This is not really right.
+# What needs to be done is to use "const" correctly throughout the project, but
+# this would take a lot of time.
+
+while (<>) {
+  # declaration of a CBLAS function, e.g. in cblas.h.
+  if ($_ =~ m/^\s*\w+\s+cblas_/) {
+    $a = $_;
+    while ($a =~ m/,\s*$/) { # line ends with a comma -> declaration spills over to next line.
+      $a .= <>; # Append the next line.
+    }
+    $a =~ s/([(,]\s*)(\w)/${1}const ${2}/g;
+    print $a;
+  } elsif ($_ =~ m/^\w*\S+\s*BLASFUNC/) { # macro that declares a 
+    # LAPACK function, e.g. in common_interface.h.
+    $a = $_;
+    while ($a =~ m/,\s*$/) { # line ends with a comma -> declaration spills over to next line.
+      $a .= <>; # Append the next line.
+    }
+    $a =~ s/((\)\s*\(|,)\s*)(\w)/${1}const $3/g;
+    print $a;
+  } else {
+    print $_;
+  }
+}
diff --git a/cblas.h b/cblas.h
index e9664fe..6fc0f86 100644
--- a/cblas.h
+++ b/cblas.h
@@ -1,6 +1,12 @@
 #ifndef CBLAS_H
 #define CBLAS_H
 
+/* Warning: at the moment, this project does not use "const".  In order to
+   avoid inconvenience for the user, we use the script add_const.pl add
+   "const" to all function arguments when copying this code to
+   $install_dir/include/.  */
+
+
 #ifdef __cplusplus
 extern "C" {
 	/* Assume C declarations for C++ */
-- 
1.7.2.5